Devart Forums

Code: Select all

System.Data.Entity.Core.ProviderIncompatibleException: An error occurred while getting provider information from the database. This can be caused by Entity Framework using an incorrect connection string. Check the inner exceptions for details and ensure that the connection string is correct. ---> System.Data.Entity.Core.ProviderIncompatibleException: The provider did not return a ProviderManifestToken string. ---> System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible.

Code: Select all

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
  </configSections>
  <connectionStrings>
    <add name="BlogConnectionString" connectionString="Data Source=MyDB;User Id=MyDBUser;Password=test;" providerName="Oracle.DataAccess.Client" />
  </connectionStrings>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
  </startup>
  <entityFramework>
    <providers>
      <provider 
        invariantName="Devart.Data.Oracle" 
        type="Devart.Data.Oracle.Entity.OracleEntityProviderServices, Devart.Data.Oracle.Entity, Version=7.9.333.6, Culture=neutral, PublicKeyToken=09af7300eec23701" >
      </provider>
    </providers>
    <!--defaultConnectionFactory type="Devart.Data.Oracle.OracleProviderFactory, EntityFramework" /-->
  </entityFramework>
  <system.data>
    <DbProviderFactories>
      <remove invariant="Devart.Data.Oracle" />
      <add 
        name="dotConnect for Oracle" 
        invariant="Devart.Data.Oracle" 
        description="Devart dotConnect for Oracle" 
        type="Devart.Data.Oracle.OracleProviderFactory, Devart.Data.Oracle, Version=7.9.333.0, Culture=neutral, PublicKeyToken=09af7300eec23701" />
    </DbProviderFactories>
  </system.data>
</configuration>

Code: Select all

-ConnectionString "Data Source=MyDB;User Id=MyUser;Password=test;" -ConnectionProviderName "Devart.Data.Oracle"

Code: Select all

Schema specified is not valid. Errors: 
(0,0) : error 0152: No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClient'. Make sure the provider is registered in the 'entityFramework' section of the application config file.

Code: Select all

  <connectionStrings>
    <add name="BlogConnectionString" connectionString="Data Source=MyDB;User Id=MyDBUser;Password=test;" providerName="Devart.Data.Oracle" />
  </connectionStrings>